Can be used for data validation in MVC?
ASP.NET MVC includes built-in attribute classes in the System. ComponentModel. DataAnnotations namespace. These attributes are used to define metadata for ASP.NET MVC and ASP.NET data controls….Validation using Data Annotation Attributes.
| Attribute | Usage |
|---|---|
| Required | Specifies that a property value is required. |
How many types of validation are there in MVC?
The following three type of validations we can do in ASP.NET MVC web applications: HTML validation / JavaScript validation. ASP.NET MVC Model validation.
Can we do validation in MVC using data annotations?
In Asp.net MVC, we can easily apply validation to web application by using Data Annotation attribute classes to model class. Data Annotation attribute classes are present in System.
What is the data annotation in MVC?
DataAnnotations is used to configure your model classes, which will highlight the most commonly needed configurations. DataAnnotations are also understood by a number of . NET applications, such as ASP.NET MVC, which allows these applications to leverage the same annotations for client-side validations.
Can we use ViewState in MVC?
ASP.NET MVC does not use ViewState in the traditional sense (that of storing the values of controls in the web page). Rather, the values of the controls are posted to a controller method.
What are the return types in MVC?
There are 7 types of content returning results:
- ViewResult.
- PartialViewResult.
- ContentResult.
- EmptyResult.
- FileResult.
- JsonResult.
- JavaScriptResult.
What is custom validation in MVC?
This validation can be added for both the client side and the server side. You understand that decorating the properties in a model with an Attribute can make that property eligible for Validation. Some of the DataAnnotation used for validation are given below. Required. Specify a property as required.
What is data annotation validator attributes in MVC?
Data annotation attributes are attached to the properties of the model class and enforce some validation criteria. They are capable of performing validation on the server side as well as on the client side. This article discusses the basics of using these attributes in an ASP.NET MVC application.
What is scaffolding in MVC?
Advertisements. ASP.NET Scaffolding is a code generation framework for ASP.NET Web applications. Visual Studio 2013 includes pre-installed code generators for MVC and Web API projects. You add scaffolding to your project when you want to quickly add code that interacts with data models.
What is remote validation in MVC?
Remote validation is used to make server calls to validate data without posting the entire form to the server when server side validation is preferable to the client side. It’s all done by setting up a model and controller which is pretty neat.
Is ViewBag slower than ViewData in MVC?
In general, ViewBag is a way to pass data from the controller to the view. It is a type object and is a dynamic property under the controller base class. Compared to ViewData, it works similarly but is known to be a bit slower and was introduced in ASP.NET MVC 3.0 (ViewData was introduced in MVC 1.0).